Ostomy appliance cover



FIG. 1 is a top plan view of an ostomy appliance cover, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a view in front elevation thereof;

FIG. 4 is a view in end elevation thereof; and

FIG. 5 is a view in side elevation thereof. 

The ornamental design for an ostomy appliance cover, as shown and described. 